CN201404616Y - Low-pressure fine water fog fire extinguishing system - Google Patents
Low-pressure fine water fog fire extinguishing system Download PDFInfo
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- CN201404616Y CN201404616Y CN2009200720524U CN200920072052U CN201404616Y CN 201404616 Y CN201404616 Y CN 201404616Y CN 2009200720524 U CN2009200720524 U CN 2009200720524U CN 200920072052 U CN200920072052 U CN 200920072052U CN 201404616 Y CN201404616 Y CN 201404616Y
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- water
- extinguishing system
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Abstract
The utility model discloses a low-pressure fine water fog fire extinguishing system which comprises a water source, a water pump and a fine water fog burner cap, and is characterized in that the fireextinguishing system further comprises a liquid tank and a proportion mixer, wherein one end of the proportion mixer is connected with the water source and the liquid tank, the other end is connectedwith the fine water fog burner cap, and water in the water source and liquid in the liquid tank are ejected out through the fine water fog burner cap after mixing in the proportion mixer. The low-pressure fine water fog fire extinguishing system can fast extinguish gasoline fire hazard and solid fire hazard, has apparent smoke abatement effect, little water consumption and general fabrication cost, increases the mixing F-500 liquid tank, does not have high requirements to pipe network, and does not pollute the environment, the F-500 can be naturally degraded, and water damage can be easily cleaned.
Description
Technical field
The utility model relates to a kind of fire extinguishing system, particularly relates to a kind of low pressure fine water mist fire-extinguishing system that adds the F-500 extinguishing chemical in system.
Background technology
Traditional automatic fire extinguishing system comprises water spray, foam and gas extinguishing system.The water spray is the jinx of solid fire, but powerless to the most liquid fire; Froth fire extinguishing system is with the mode that isolate to cover can put out a fire to save life and property liquid fire and solid fire, but foam is difficult to avoid to the pollution of environment with to the corrosion of relevant device; Gas extinguishing system is used for can not contaminated place, protects limited enclosure space in the mode of flooding, its construction costs height, and personnel are had certain murder by poisoning, be difficult to generally adopt.
The fine water mist fire-extinguishing system that grew up in recent years can make the water yield of unit volume have bigger endotherm area, has strengthened the deoxygenation smothering action to fire hazard environment simultaneously in the vaporescence of scene of fire, has the ability of the various fire of putting out a fire to save life and property.Adopting few, pollution-free, the avirulence of Water Mist Fire Extinguishing Technique water consumption, is the most rising current fire inhibition technology.
By the operating pressure classification, fine water mist fire-extinguishing system is divided into high-pressure system, medium voltage network and low-pressure system.The high-pressure fine water mist fire-extinguishing system droplet is more even, arrive the requirement of scene of a fire range easily, external at present application is more, domestic also have some application, but high-pressure fine water mist fire-extinguishing system has also been inherited some shortcoming of gas extinguishing system, the construction costs height, equipment pipe is installed complicated, because of high-pressure work also exists potential potential safety hazard.The low pressure fine water mist fire-extinguishing system may influence the fire extinguishing effect because of the atomized water spray underspeed, and present domestic application still is a blank.This practical new application will provide one can effectively put out a fire, and construction costs reduces greatly, and construction maintenance is convenient, safe and reliable low pressure mist fire extinguishing system.
Summary of the invention
At the problems referred to above, main purpose of the present utility model is to provide a kind of low pressure fine water mist fire-extinguishing system that adds the F-500 extinguishing chemical in system, the utility model solves above-mentioned technical problem by following technical proposals: a kind of low pressure fine water mist fire-extinguishing system, it comprises: the water source, water pump, fine mist spray head, it is characterized in that: described fire extinguishing system also comprises fluid reservoir, proportioner, described proportioner one end connects water source and fluid reservoir, the other end connects fine mist spray head, and the liquid in water in the described water source and the described fluid reservoir mixes the back by described fine mist spray head ejection in described proportioner.
Wherein, the water filter that prevents that shower nozzle from stopping up is installed between described water source and the water pump.
Wherein, described fire extinguishing system comprises several thin water spray protection districts, and each thin water spray protection district comprises several fine mist spray heads, and these fine mist spray heads can produce the droplet that meets specification requirement under the low pressure situation.
Wherein, before described every group of fine mist spray head control valve is installed all, can carries out automatic or manual control system.
Wherein, described water pump and fluid reservoir back all are equipped with and prevent check-valves, the other end of described check-valves be connected at described proportioner, the F-500 in the fluid reservoir is a kind of environmental protection extinguishing chemical.
Positive progressive effect of the present utility model is: the utlity model has following advantage:
(1) from fire extinguishing smoke elimination function: can comparatively fast put out gasoline fire and solid fire, and smoke effect is remarkable;
(2) from water consumption and cost: the utility model water consumption is less, has increased to sneak into the F-500 fluid reservoir, and less demanding to pipe network, cost is general;
(3) from environmental protection problem: environmentally safe, but F-500 natural degradation, water stain cleaning is easier to.
Description of drawings
Fig. 1 is a principle schematic of the present utility model;
Fig. 2 is a typical urban transportation tunnel low pressure fine water mist fire-extinguishing system schematic diagram;
Fig. 3 is that the position of windward district, tunnel and ignition zone concerns schematic diagram.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.Fig. 1 is a principle schematic of the present utility model, the utility model comprises water source 1, water pump 3, fine mist spray head 10 and 11, fluid reservoir 5, proportioner 7, this proportioner one end connects water source and fluid reservoir, the other end is connected with fine mist spray head, and water in the water source and the liquid in the fluid reservoir mix the back and sprays by fine mist spray head in proportioner 7.Fine mist spray head is shown as two groups in the drawings; be respectively first group of fine mist spray head 10 and second group of fine mist spray head 11; first control valve 8 is installed before first group of fine mist spray head 10; second control valve 9 is installed before second group of fine mist spray head 11; every group of fine mist spray head comprises several fine mist spray heads; A protection zone that shows in the service graph respectively and B protection zone are equipped with the water filter 2 that prevents that shower nozzle from stopping up between water source 1 and water pump 3.The other end that is separately installed with first check-valves 4 and second check-valves, 6, the first check-valves 4 and second check-valves 6 in water pump 3 and fluid reservoir 5 back all is connected on the proportioner 7.
The low pressure fine water mist fire-extinguishing system is defined as the water mist system of rated operating pressure less than 1.2MPa, the fogdrop diameter of requirement (0.7MPa) shower nozzle ejection under minimum working pressure power, in the spraying liquid cumulative volume,, could effectively put out liquid fire like this less than accounting for 99% of volume below 400 microns.Determine that suitable fine mist spray head is first key of the present utility model.We do not have high-tension apparatus with Unbolcked type structural series low pressure fine mist spray head in system, without stainless steel pipes, can reach the specification requirement to spraying yet, and this greatly reduces engineering cost.
The fine mist fire-fighting effect not only depends on the size of droplet, also depends on water smoke intensity and sprays kinetic energy.Under the low pressure situation, select different shower nozzles for use and arrange quantity, can satisfy the spray intensity of different places fire extinguishing needs.May influence the fire extinguishing effect in order to remedy because of spraying the kinetic energy deficiency, we have added extinguishing chemical in the thin water smoke of low pressure, and this is second key of this patent.Add the F-500 extinguishing chemical in system after, heat absorption capacity heightens, attack time shortens, smoke effect is obvious.F-500 also is a kind of avirulence, does not have corrosion, uses the environment-friendly type extinguishing chemical of back fully biodegradable.
After solving above two key technical problems, can carry out the system integration at various fire extinguishing occasion, we have formulated company standard for this reason.The thin water smoke of this low pressure (add F-500) fire extinguishing system can between urban transportation tunnel, underground garage, oil-immersed type transformer, diesel generation machine room, ships cabin, subway station etc. implement fire extinguishing and control fire.
Fig. 2 is a typical urban transportation tunnel low pressure fine water mist fire-extinguishing system schematic diagram.Adorn two row's fine mist spray heads 12 at high 4.5 meters, be used for two track fire extinguishings 13, all covered in the time of guaranteeing tunnel fire below 14 3 meters by thin water smoke.On the top, tunnel, adorn row's fine mist spray head 12, be mainly used in cooling and smoke elimination, and install, can make spraying more even, also have auxiliary fire extinguishing effect with following shower nozzle staggered positions.
Fig. 3 is that the position of tunnel windward district C and ignition zone D concerns schematic diagram, and the protecting tunnel district can be by one section division of every 25m, and there are tens shower nozzles in every district.During fire extinguishing, can start ignition zone D and windward district C sprays simultaneously, forming the water smoke battle array in semi-enclosed tunnel 14, to make fire in the tunnel be not that to be extinguished be exactly controlled fully.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1, a kind of low pressure fine water mist fire-extinguishing system, comprise water source, water pump, fine mist spray head, it is characterized in that: described fire extinguishing system also comprises fluid reservoir, proportioner, described proportioner one end connects water source and fluid reservoir, the other end connects fine mist spray head, and the liquid in water in the described water source and the described fluid reservoir mixes the back by described fine mist spray head ejection in described proportioner.
2, low pressure fine water mist fire-extinguishing system according to claim 1 is characterized in that: the water filter that prevents that shower nozzle from stopping up is installed between described water source and the water pump.
3, low pressure fine water mist fire-extinguishing system according to claim 1; it is characterized in that: described fire extinguishing system comprises several thin water spray protection districts, and each thin water spray protection district is included under the low pressure situation and can produces several fine mist spray heads that meet the specification requirement droplet.
4, low pressure fine water mist fire-extinguishing system according to claim 3 is characterized in that: before described every group of fine mist spray head control valve is installed all, described control valve carries out automation or manually control to system.
5, low pressure fine water mist fire-extinguishing system according to claim 1 is characterized in that: described water pump and fluid reservoir back all are equipped with check-valves, and the other end of described check-valves all with on the described proportioner is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200720524U CN201404616Y (en) | 2009-05-12 | 2009-05-12 | Low-pressure fine water fog fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200720524U CN201404616Y (en) | 2009-05-12 | 2009-05-12 | Low-pressure fine water fog fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201404616Y true CN201404616Y (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200720524U Expired - Lifetime CN201404616Y (en) | 2009-05-12 | 2009-05-12 | Low-pressure fine water fog fire extinguishing system |
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| CN (1) | CN201404616Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319497A (en) * | 2011-09-29 | 2012-01-18 | 华东建筑设计研究院有限公司 | Crossing arrangement pipeline network for sprayers in different alarm valve sets |
| CN103691724A (en) * | 2013-12-11 | 2014-04-02 | 上海应用技术学院 | Laboratory fume hood and control method |
-
2009
- 2009-05-12 CN CN2009200720524U patent/CN201404616Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319497A (en) * | 2011-09-29 | 2012-01-18 | 华东建筑设计研究院有限公司 | Crossing arrangement pipeline network for sprayers in different alarm valve sets |
| CN103691724A (en) * | 2013-12-11 | 2014-04-02 | 上海应用技术学院 | Laboratory fume hood and control method |
| CN103691724B (en) * | 2013-12-11 | 2015-11-18 | 上海应用技术学院 | A kind of laboratory hood and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI FIRE TECHNIQUE ENGINEERING CO., LTD. Free format text: FORMER OWNER: SHANGHAI SHANGXIAO FIRE-PROTECTION EQUIPMENT INSTALLED CO., LTD. Effective date: 20121025 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200333 PUTUO, SHANGHAI TO: 200042 PUTUO, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121025 Address after: 200042 8A room, building A, No. 1118, Putuo District, Shanghai, Changshou Road Patentee after: Shanghai fire fighting Technology Engineering Co Ltd Address before: 200333, 3370 North Road, Putuo District, Shanghai 4, building 469 Patentee before: Shanghai Shangxiao Fire-Protection Equipment Installed Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI NEOTEC FIRE EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SHANGHAI FIRE TECHNOLOGY ENGINEERING CO., LTD. Effective date: 20141010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200042 PUTUO, SHANGHAI TO: 200331 PUTUO, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141010 Address after: 200331 No. 822, 485 South Road, Putuo District, Shanghai Patentee after: SHANGHAI NEOTEC FIRE PROTECTION EQUIPMENT CO., LTD. Address before: 200042 8A room, building A, No. 1118, Putuo District, Shanghai, Changshou Road Patentee before: Shanghai fire fighting Technology Engineering Co Ltd |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |